An interesting 2016 article about Snapchat's confusing UI - "How Snapchat Built a Business By Confusing Olds" [0] and HN discussion [1].
> Compared with Twitter or Facebook, Snapchat can seem almost aggressively user-unfriendly. If you’re new to the app and looking for posts by your kid, your boyfriend, or DJ Khaled, good luck. It’s hard to find somebody without knowing his or her screen name. This is by design. “We’ve made it very hard for parents to embarrass their children,” Spiegel said at a conference in January. “It’s much more for sharing personal moments than it is about this public display.”
[0] https://www.bloomberg.com/features/2016-how-snapchat-built-a...